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-rw-r--r--board/lwmon5/lwmon5.c75
-rw-r--r--board/lwmon5/sdram.c4
-rw-r--r--boards.cfg1
-rw-r--r--include/configs/lwmon5.h68
4 files changed, 142 insertions, 6 deletions
diff --git a/board/lwmon5/lwmon5.c b/board/lwmon5/lwmon5.c
index 29e24fb26..9cf0fa167 100644
--- a/board/lwmon5/lwmon5.c
+++ b/board/lwmon5/lwmon5.c
@@ -1,5 +1,5 @@
/*
- * (C) Copyright 2007-2010
+ * (C) Copyright 2007-2013
* Stefan Roese, DENX Software Engineering, sr@denx.de.
*
* This program is free software; you can redistribute it and/or
@@ -200,9 +200,11 @@ int misc_init_r(void)
u32 pbcr;
int size_val = 0;
u32 reg;
+#ifndef CONFIG_LCD4_LWMON5
unsigned long usb2d0cr = 0;
unsigned long usb2phy0cr, usb2h0cr = 0;
unsigned long sdr0_pfc1, sdr0_srst;
+#endif
/*
* FLASH stuff...
@@ -233,6 +235,7 @@ int misc_init_r(void)
CONFIG_ENV_ADDR_REDUND + 2 * CONFIG_ENV_SECT_SIZE - 1,
&flash_info[cfi_flash_num_flash_banks - 1]);
+#ifndef CONFIG_LCD4_LWMON5
/*
* USB suff...
*/
@@ -306,6 +309,7 @@ int misc_init_r(void)
/* 7. Reassert internal PHY reset: */
mtsdr(SDR0_SRST1, SDR0_SRST1_USB20PHY);
udelay(1000);
+#endif
/*
* Clear resets
@@ -313,7 +317,9 @@ int misc_init_r(void)
mtsdr(SDR0_SRST1, 0x00000000);
mtsdr(SDR0_SRST0, 0x00000000);
+#ifndef CONFIG_LCD4_LWMON5
printf("USB: Host(int phy) Device(ext phy)\n");
+#endif
/*
* Clear PLB4A0_ACR[WRP]
@@ -323,10 +329,12 @@ int misc_init_r(void)
reg = mfdcr(PLB4A0_ACR) & ~PLB4Ax_ACR_WRP_MASK;
mtdcr(PLB4A0_ACR, reg);
+#ifndef CONFIG_LCD4_LWMON5
/*
* Init matrix keyboard
*/
misc_init_r_kbd();
+#endif
return 0;
}
@@ -336,7 +344,7 @@ int checkboard(void)
char buf[64];
int i = getenv_f("serial#", buf, sizeof(buf));
- puts("Board: lwmon5");
+ printf("Board: %s", __stringify(CONFIG_HOSTNAME));
if (i > 0) {
puts(", serial# ");
@@ -495,3 +503,66 @@ void board_reset(void)
{
gpio_write_bit(CONFIG_SYS_GPIO_BOARD_RESET, 1);
}
+
+#ifdef CONFIG_SPL_OS_BOOT
+/*
+ * lwmon5 specific implementation of spl_start_uboot()
+ *
+ * RETURN
+ * 0 if booting into OS is selected (default)
+ * 1 if booting into U-Boot is selected
+ */
+int spl_start_uboot(void)
+{
+ char s[8];
+
+ env_init();
+ getenv_f("boot_os", s, sizeof(s));
+ if ((s != NULL) && (strcmp(s, "yes") == 0))
+ return 0;
+
+ return 1;
+}
+
+/*
+ * This function is called from the SPL U-Boot version for
+ * early init stuff, that needs to be done for OS (e.g. Linux)
+ * booting. Doing it later in the real U-Boot would not work
+ * in case that the SPL U-Boot boots Linux directly.
+ */
+void spl_board_init(void)
+{
+ const gdc_regs *regs = board_get_regs();
+
+ /*
+ * Setup PFC registers, mainly for ethernet support
+ * later on in Linux
+ */
+ board_early_init_f();
+
+ /*
+ * Clear resets
+ */
+ mtsdr(SDR0_SRST1, 0x00000000);
+ mtsdr(SDR0_SRST0, 0x00000000);
+
+ /*
+ * Reset Lime controller
+ */
+ gpio_write_bit(CONFIG_SYS_GPIO_LIME_S, 1);
+ udelay(500);
+ gpio_write_bit(CONFIG_SYS_GPIO_LIME_RST, 1);
+
+ out_be32((void *)CONFIG_SYS_LIME_SDRAM_CLOCK, CONFIG_SYS_MB862xx_CCF);
+ udelay(300);
+ out_be32((void *)CONFIG_SYS_LIME_MMR, CONFIG_SYS_MB862xx_MMR);
+
+ while (regs->index) {
+ out_be32((void *)(CONFIG_SYS_LIME_BASE_0 + GC_DISP_BASE) +
+ regs->index, regs->value);
+ regs++;
+ }
+
+ board_backlight_brightness(DEFAULT_BRIGHTNESS);
+}
+#endif
diff --git a/board/lwmon5/sdram.c b/board/lwmon5/sdram.c
index b64b35a94..78b8fbc84 100644
--- a/board/lwmon5/sdram.c
+++ b/board/lwmon5/sdram.c
@@ -6,7 +6,7 @@
* Alain Saurel, AMCC/IBM, alain.saurel@fr.ibm.com
* Robert Snyder, AMCC/IBM, rob.snyder@fr.ibm.com
*
- * (C) Copyright 2007-2008
+ * (C) Copyright 2007-2013
* Stefan Roese, DENX Software Engineering, sr@denx.de.
*
* This program is free software; you can redistribute it and/or
@@ -160,6 +160,7 @@ static void program_ecc(u32 start_address,
************************************************************************/
phys_size_t initdram (int board_type)
{
+#if defined(CONFIG_SPL_BUILD) || !defined(CONFIG_LCD4_LWMON5)
/* CL=4 */
mtsdram(DDR0_02, 0x00000000);
@@ -253,6 +254,7 @@ phys_size_t initdram (int board_type)
* exceptions are enabled.
*/
set_mcsr(get_mcsr());
+#endif /* CONFIG_SPL_BUILD */
return (CONFIG_SYS_MBYTES_SDRAM << 20);
}
diff --git a/boards.cfg b/boards.cfg
index 31483d623..8b7933ffb 100644
--- a/boards.cfg
+++ b/boards.cfg
@@ -1010,6 +1010,7 @@ JSE powerpc ppc4xx jse
korat powerpc ppc4xx
korat_perm powerpc ppc4xx korat - - korat:KORAT_PERMANENT
lwmon5 powerpc ppc4xx
+lcd4_lwmon5 powerpc ppc4xx lwmon5 - - lwmon5:LCD4_LWMON5
pcs440ep powerpc ppc4xx
quad100hd powerpc ppc4xx
sbc405 powerpc ppc4xx
diff --git a/include/configs/lwmon5.h b/include/configs/lwmon5.h
index 2ebcd1615..ba613e33c 100644
--- a/include/configs/lwmon5.h
+++ b/include/configs/lwmon5.h
@@ -1,5 +1,5 @@
/*
- * (C) Copyright 2007-2010
+ * (C) Copyright 2007-2013
* Stefan Roese, DENX Software Engineering, sr@denx.de.
*
* This program is free software; you can redistribute it and/or
@@ -37,8 +37,12 @@
#define CONFIG_440 1 /* ... PPC440 family */
#define CONFIG_4xx 1 /* ... PPC4xx family */
-#ifndef CONFIG_SYS_TEXT_BASE
+#ifdef CONFIG_LCD4_LWMON5
+#define CONFIG_SYS_TEXT_BASE 0x01000000 /* SPL U-Boot TEXT_BASE */
+#define CONFIG_HOSTNAME lcd4_lwmon5
+#else
#define CONFIG_SYS_TEXT_BASE 0xFFF80000
+#define CONFIG_HOSTNAME lwmon5
#endif
#define CONFIG_SYS_CLK_FREQ 33300000 /* external freq to pll */
@@ -56,7 +60,7 @@
* actual resources get mapped (not physical addresses)
*/
#define CONFIG_SYS_MONITOR_BASE CONFIG_SYS_TEXT_BASE /* Start of U-Boot */
-#define CONFIG_SYS_MONITOR_LEN (0xFFFFFFFF - CONFIG_SYS_MONITOR_BASE + 1)
+#define CONFIG_SYS_MONITOR_LEN 0x80000
#define CONFIG_SYS_MALLOC_LEN (1 << 20) /* Reserved for malloc */
#define CONFIG_SYS_BOOT_BASE_ADDR 0xf0000000
@@ -75,9 +79,11 @@
#define CONFIG_SYS_PCI_MEMBASE2 (CONFIG_SYS_PCI_MEMBASE1 + 0x10000000)
#define CONFIG_SYS_PCI_MEMBASE3 (CONFIG_SYS_PCI_MEMBASE2 + 0x10000000)
+#ifndef CONFIG_LCD4_LWMON5
#define CONFIG_SYS_USB2D0_BASE 0xe0000100
#define CONFIG_SYS_USB_DEVICE 0xe0000000
#define CONFIG_SYS_USB_HOST 0xe0000400
+#endif
/*
* Initial RAM & stack pointer
@@ -87,12 +93,20 @@
* content during reset (GPT0_COMP6). This way we reserve the OCM (16k)
* for logbuffer only. (GPT0_COMP1-COMP5 are reserved for logbuffer header.)
*/
+#ifndef CONFIG_LCD4_LWMON5
#define CONFIG_SYS_INIT_RAM_DCACHE 1 /* d-cache as init ram */
#define CONFIG_SYS_INIT_RAM_ADDR 0x70000000 /* DCache */
#define CONFIG_SYS_INIT_RAM_SIZE (4 << 10)
#define CONFIG_SYS_GBL_DATA_OFFSET (CONFIG_SYS_INIT_RAM_SIZE - \
GENERATED_GBL_DATA_SIZE)
#define CONFIG_SYS_INIT_SP_OFFSET CONFIG_SYS_GBL_DATA_OFFSET
+#else
+#define CONFIG_SYS_INIT_RAM_ADDR CONFIG_SYS_OCM_BASE
+#define CONFIG_SYS_INIT_RAM_SIZE (4 << 10)
+#define CONFIG_SYS_GBL_DATA_OFFSET (CONFIG_SYS_INIT_RAM_SIZE - \
+ GENERATED_GBL_DATA_SIZE)
+#define CONFIG_SYS_INIT_SP_OFFSET (CONFIG_SYS_GBL_DATA_OFFSET - 0x4)
+#endif
/* unused GPT0 COMP reg */
#define CONFIG_SYS_POST_WORD_ADDR (CONFIG_SYS_PERIPHERAL_BASE + GPT0_COMP6)
#define CONFIG_SYS_OCM_SIZE (16 << 10)
@@ -166,8 +180,11 @@
#define CONFIG_SYS_MBYTES_SDRAM 256
#define CONFIG_SYS_DDR_CACHED_ADDR 0x40000000 /* setup 2nd TLB cached here */
#define CONFIG_DDR_DATA_EYE /* use DDR2 optimization */
+#ifndef CONFIG_LCD4_LWMON5
#define CONFIG_DDR_ECC /* enable ECC */
+#endif
+#ifndef CONFIG_LCD4_LWMON5
/* POST support */
#define CONFIG_POST (CONFIG_SYS_POST_CACHE | \
CONFIG_SYS_POST_CPU | \
@@ -276,6 +293,7 @@
#define CONFIG_ALT_LH_ADDR (CONFIG_SYS_PERIPHERAL_BASE + GPT0_COMP1)
#define CONFIG_ALT_LB_ADDR (CONFIG_SYS_OCM_BASE)
#define CONFIG_SYS_CONSOLE_IS_IN_ENV /* Otherwise it catches logbuffer as output */
+#endif
/*
* I2C
@@ -395,6 +413,7 @@
#define CONFIG_VIDEO_SW_CURSOR
#define CONFIG_SPLASH_SCREEN
+#ifndef CONFIG_LCD4_LWMON5
/*
* USB/EHCI
*/
@@ -410,6 +429,7 @@
#define CONFIG_MAC_PARTITION
#define CONFIG_DOS_PARTITION
#define CONFIG_ISO_PARTITION
+#endif
/*
* BOOTP options
@@ -444,9 +464,11 @@
#define CONFIG_CMD_BMP
#endif
+#ifndef CONFIG_LCD4_LWMON5
#ifdef CONFIG_440EPX
#define CONFIG_CMD_USB
#endif
+#endif
/*
* Miscellaneous configurable options
@@ -480,11 +502,15 @@
#define CONFIG_MX_CYCLIC 1 /* enable mdc/mwc commands */
#define CONFIG_VERSION_VARIABLE 1 /* include version env variable */
+#define CONFIG_SYS_CONSOLE_INFO_QUIET /* don't print console @ startup*/
+
+#ifndef CONFIG_LCD4_LWMON5
#ifndef DEBUG
#define CONFIG_HW_WATCHDOG 1 /* Use external HW-Watchdog */
#endif
#define CONFIG_WD_PERIOD 40000 /* in usec */
#define CONFIG_WD_MAX_RATE 66600 /* in ticks */
+#endif
/*
* For booting Linux, the board info and command line data
@@ -644,4 +670,40 @@
#define CONFIG_KGDB_BAUDRATE 230400 /* speed to run kgdb serial port */
#define CONFIG_KGDB_SER_INDEX 2 /* which serial port to use */
#endif
+
+/*
+ * SPL related defines
+ */
+#ifdef CONFIG_LCD4_LWMON5
+#define CONFIG_SPL
+#define CONFIG_SPL_FRAMEWORK
+#define CONFIG_SPL_BOARD_INIT
+#define CONFIG_SPL_NOR_SUPPORT
+#define CONFIG_SPL_TEXT_BASE 0xffff0000 /* last 64 KiB for SPL */
+#define CONFIG_SYS_SPL_MAX_LEN (64 << 10)
+#define CONFIG_UBOOT_PAD_TO 458752 /* decimal for 'dd' */
+#define CONFIG_SPL_START_S_PATH "arch/powerpc/cpu/ppc4xx"
+#define CONFIG_SPL_LDSCRIPT "arch/powerpc/cpu/ppc4xx/u-boot-spl.lds"
+#define CONFIG_SPL_LIBCOMMON_SUPPORT /* image.c */
+#define CONFIG_SPL_LIBGENERIC_SUPPORT /* string.c */
+#define CONFIG_SPL_SERIAL_SUPPORT
+
+/* Place BSS for SPL near end of SDRAM */
+#define CONFIG_SPL_BSS_START_ADDR ((256 - 1) << 20)
+#define CONFIG_SPL_BSS_MAX_SIZE (64 << 10)
+
+#define CONFIG_SPL_OS_BOOT
+/* Place patched DT blob (fdt) at this address */
+#define CONFIG_SYS_SPL_ARGS_ADDR 0x01800000
+
+#define CONFIG_SPL_TARGET "u-boot-img-spl-at-end.bin"
+
+/* Settings for real U-Boot to be loaded from NOR flash */
+#define CONFIG_SYS_UBOOT_BASE (-CONFIG_SYS_MONITOR_LEN)
+#define CONFIG_SYS_UBOOT_START 0x01002100
+
+#define CONFIG_SYS_OS_BASE 0xf8000000
+#define CONFIG_SYS_FDT_BASE 0xf87c0000
+#endif
+
#endif /* __CONFIG_H */
generated by cgit v1.2.3-70-g09d2 (git 2.51.2) at 2025-10-31 04:42:14 +0000